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Finding the Third Proportional to 3,000.38 and 4,159.13

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Solution

The third proportional to 3,000.38 and 4,159.13 is: 5,765.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,000.38 : 4,159.13 = 4,159.13 : x
  2. Step 2: Convert to fraction form
    3,000.38/4,159.13 = 4,159.13/x
  3. Step 3: Cross multiply
    3,000.38x = 4,159.13 × 4,159.13
  4. Step 4: Simplify right side
    3,000.38x = 17,298,320.77
  5. Step 5: Solve for x
    x = 17,298,320.77/3,000.38
  6. Step 6: Final answer
    x = 5,765.39

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.